Ryzen 7 8745HX vs Core i7-9700K

The Ryzen 7 8745HX packs 8 cores / 16 threads, matching the Core i7-9700K's 8 cores. Boost clocks reach 5.1 GHz on the Ryzen 7 8745HX versus 4.9 GHz on the Core i7-9700K — a 4% clock advantage for the Ryzen 7 8745HX (base: 3.6 GHz vs 3.6 GHz). The Ryzen 7 8745HX uses the Dragon Range (2025) architecture (5 nm), while the Core i7-9700K uses Coffee Lake-R (2018−2019) (14 nm). In PassMark, the Ryzen 7 8745HX scores 32,620 against the Core i7-9700K's 14,397 — a 77.5% lead for the Ryzen 7 8745HX. L3 cache: 32 MB (total) on the Ryzen 7 8745HX vs 12 MB (total) on the Core i7-9700K.

The Ryzen 7 8745HX uses the FL1 socket (PCIe 4.0), while the Core i7-9700K uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5200 on the Ryzen 7 8745HX versus DDR4-2666 on the Core i7-9700K — the Ryzen 7 8745HX supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i7-9700K supports up to 128 GB of RAM compared to 64 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 28 (Ryzen 7 8745HX) vs 16 (Core i7-9700K) — the Ryzen 7 8745HX offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: FL1 (Ryzen 7 8745HX) and Intel 300 series (Core i7-9700K).

Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 7 8745HX supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (Ryzen 7 8745HX) vs VT-x, VT-d (Core i7-9700K). Both include integrated graphics — Radeon 610M (Ryzen 7 8745HX) and UHD Graphics 630 (Core i7-9700K) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Ryzen 7 8745HX targets High-end Gaming Laptop, Core i7-9700K targets Desktop. Direct competitor: Ryzen 7 8745HX rivals Core i7-14700HX.